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Arifuzzaman Hossain

Senior DNS Consultant

Arifuzzaman Hossain is a seasoned IT professional with over 40 years of experience in network management and DNS technologies. Based in Dhaka, Bangladesh, he has dedicated his career to helping organizations optimize their domain name systems and improve their online stability. With a passion for teaching, he often shares his insights through articles and workshops, aiming to empower the next generation of IT specialists. His extensive knowledge and hands-on experience make him a respected figure in the field, and he is known for his approachable demeanor and willingness to mentor others.

The Evolution of DNS Protocols: From DNS to DNS over QUIC
The Evolution of DNS Protocols: From DNS to DNS over QUIC
February 5, 2025 Arifuzzaman Hossain 0

When you type a website URL into your browser, you’re essentially asking a question. “Where...

The Role of DNS in Microservices Architecture
The Role of DNS in Microservices Architecture
January 30, 2025 Arifuzzaman Hossain 0

In the rapidly evolving landscape of modern software development, microservices architecture has emerged as a...

How to Secure Your DNS Infrastructure Against Threats
How to Secure Your DNS Infrastructure Against Threats
January 22, 2025 Arifuzzaman Hossain 0

In the digital realm, where the only constant is change, securing your DNS infrastructure is...

The Impact of DNS on VoIP Quality and Reliability
The Impact of DNS on VoIP Quality and Reliability
January 21, 2025 Arifuzzaman Hossain 0

In the intricate web of internet technologies, the Domain Name System (DNS) often plays the...

How to Use nslookup for DNS Troubleshooting: A Deep Dive
How to Use nslookup for DNS Troubleshooting: A Deep Dive
January 14, 2025 Arifuzzaman Hossain 0

Welcome to the intricate world of DNS troubleshooting, where understanding the nuances can make the...

DNS Rate Limiting: What It Is and Why It Matters
DNS Rate Limiting: What It Is and Why It Matters
January 13, 2025 Arifuzzaman Hossain 0

In the vast digital landscape where every click and keystroke is a potential query, the...

How to Perform a DNS Lookup Using Command Line Tools: A Comprehensive Guide
How to Perform a DNS Lookup Using Command Line Tools: A Comprehensive Guide
January 3, 2025 Arifuzzaman Hossain 0

In today’s digitally connected world, understanding how the Domain Name System (DNS) works is crucial...

Developing DNS Migration Strategies Without Downtime
Developing DNS Migration Strategies Without Downtime
January 2, 2025 Arifuzzaman Hossain 0

In today’s digital landscape, businesses are increasingly reliant on their online presence. As a result,...

How to Choose the Right TTL for Your DNS Records
How to Choose the Right TTL for Your DNS Records
January 2, 2025 Arifuzzaman Hossain 0

When managing your domain’s DNS settings, one key parameter you need to understand is the...

Overview of Best Practices for Managing DNS Records
Overview of Best Practices for Managing DNS Records
January 2, 2025 Arifuzzaman Hossain 0

Managing DNS (Domain Name System) records effectively is crucial for ensuring the reliability and performance...

How to Choose Hosting with Support for Required DNS Features
How to Choose Hosting with Support for Required DNS Features
January 2, 2025 Arifuzzaman Hossain 0

When it comes to establishing an online presence, selecting the right web hosting service is...

The Impact of DNS on Corporate Network Security
The Impact of DNS on Corporate Network Security
January 2, 2025 Arifuzzaman Hossain 0

In today’s digital landscape, the Domain Name System (DNS) plays a crucial role not just...

DNS Spoofing and How to Protect Against It
DNS Spoofing and How to Protect Against It
January 2, 2025 Arifuzzaman Hossain 0

In today’s digital landscape, Domain Name System (DNS) plays a crucial role in the functionality...

Privacy Protection with DNS over HTTPS (DoH) and DNS over TLS (DoT)
Privacy Protection with DNS over HTTPS (DoH) and DNS over TLS (DoT)
January 2, 2025 Arifuzzaman Hossain 0

In the digital age, privacy and security have become paramount concerns for internet users. One...

How to Change DNS on iPhone and iPad: A Complete Guide
How to Change DNS on iPhone and iPad: A Complete Guide
January 2, 2025 Arifuzzaman Hossain 0

In today’s digital age, having a reliable and speedy internet connection is essential. One way...

Setting Up DNS on macOS: Step-by-Step Guide
Setting Up DNS on macOS: Step-by-Step Guide
January 2, 2025 Arifuzzaman Hossain 0

In today’s digital landscape, a reliable DNS (Domain Name System) configuration is crucial for smooth...

Types of DNS Records and Their Purpose
Types of DNS Records and Their Purpose
January 2, 2025 Arifuzzaman Hossain 0

Domain Name System (DNS) is a fundamental component of the internet. It acts like a...